Sawaal

 Physics Questions

Popular Latest Rated
Q:

What does Coulomb's Law state?

A) The magnitude of the force of attraction (or repulsion) between two point charges is inversely proportional to the product of quantity of the two charges as well as to the square of the distance between them.   B) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and inversely proportional to the square of the distance between them.  
C) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and directly proportional to the square of the distance between them. D) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and to the square of the distance between them.
 
Answer & Explanation Answer: B) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and inversely proportional to the square of the distance between them.  

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 388
Q:

Work done by an object on application of a force would be zero if the displacement of the object is:

 

A) negative B) Positive
C) neutral D) Zero
 
Answer & Explanation Answer: D) Zero

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 385
Q:

What is the amount of work done when a body moves under a force of 1 N at a distance of 1 meter in the direction of the force?

A) 1 Joule B) 0.01 Joules
C) 100 Joules D) 10 Joules
 
Answer & Explanation Answer: A) 1 Joule

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

3 383
Q:

Which of the following Newton's laws of motion can explain why a ball thrown at a wall rebounds?

A) 1st law of motion B) 2nd law of motion
C) 3rd law of motion D) Neither of the laws
 
Answer & Explanation Answer: C) 3rd law of motion

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

0 382
Q:

This is NOT a use of a concave mirror?

A) As rear view mirrors B) In torches
C) As shaving mirrors D) In headlights
 
Answer & Explanation Answer: A) As rear view mirrors

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

3 381
Q:

If the momentum of a body is tripled, its KE will

A) become three times its original value B) remain the same
C) become six times its original value D) become nine times its original value
 
Answer & Explanation Answer: D) become nine times its original value

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 379
Q:

The theory behind stars twinkling is that

A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time B) The intensity of light emitted by them changes with time
C) The light from the star is scattered by the dust particles and air molecules in the earth's atmosphere D) The distance of the stars from the earth changes with time
 
Answer & Explanation Answer: A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 378
Q:

Which of the following is not a renewable source of energy?

A) Solar B) Wind
C) Ocean waves D) Coal
 
Answer & Explanation Answer: D) Coal

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

4 378